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A disease caused by tetanospasmin, a powerful protein toxin produced by CLOSTRIDIUM TETANI. Tetanus usually occurs after an acute injury, such as a p…

Infection of cattle, sheep, or goats with protozoa of the genus THEILERIA. This infection results in an acute or chronic febrile condition.

Acute inflammatory disease of the THYROID GLAND due to infections by BACTERIA; FUNGI; or other microorganisms. Symptoms include tender swelling, FEVE…

Infestations with soft-bodied (Argasidae) or hard-bodied (Ixodidae) ticks.

Bacterial, viral, or parasitic diseases transmitted to humans and animals by the bite of infected ticks. The families Ixodidae and Argasidae contain …

Fungal infection of keratinized tissues such as hair, skin and nails. The main causative fungi include MICROSPORUM; TRICHOPHYTON; and EPIDERMOPHYTON.

Ringworm of the scalp and associated hair mainly caused by species of MICROSPORUM; TRICHOPHYTON; and EPIDERMOPHYTON, which may occasionally involve t…

Fungal infection of the groin. The main causative fungus is TRICHOPHYTON.

A disease of the scalp that may affect the glabrous skin and the nails and is recognized by the concave sulfur-yellow crusts that form around loose, …

Dermatological pruritic lesion in the feet, caused by Trichophyton rubrum, T. mentagrophytes, or Epidermophyton floccosum.

A common chronic, noninflammatory and usually symptomless disorder, characterized by the occurrence of multiple macular patches of all sizes and shap…

Virus diseases caused by the TOGAVIRIDAE.

Inflammation of the tonsils, especially the PALATINE TONSILS but the ADENOIDS (pharyngeal tonsils) and lingual tonsils may also be involved. Tonsilli…

Infections with viruses of the genus TOROVIRUS, family CORONAVIRIDAE.

Infections with nematodes of the genus TOXASCARIS.

A condition produced by the presence of toxins or other harmful substances in the BLOOD.

Infection by round worms of the genus TOXOCARA, usually found in wild and domesticated cats and dogs and foxes, except for the larvae, which may prod…

The acquired form of infection by Toxoplasma gondii in animals and man.

Acquired infection of non-human animals by organisms of the genus TOXOPLASMA.

Infections of the BRAIN caused by the protozoan TOXOPLASMA gondii that primarily arise in individuals with IMMUNOLOGIC DEFICIENCY SYNDROMES (see also…

Prenatal protozoal infection with TOXOPLASMA gondii which is associated with injury to the developing fetal nervous system. The severity of this cond…

Infection caused by the protozoan parasite TOXOPLASMA in which there is extensive connective tissue proliferation, the retina surrounding the lesions…

INFLAMMATION of the TRACHEA that is usually associated with RESPIRATORY TRACT INFECTIONS.

A chronic infection of the CONJUNCTIVA and CORNEA caused by CHLAMYDIA TRACHOMATIS.

Infections caused by infestation with worms of the class Trematoda.

Infections with bacteria of the genus TREPONEMA.

An infection with TRICHINELLA. It is caused by eating raw or undercooked meat that is infected with larvae of nematode worms TRICHINELLA genus. All m…

Infections in birds and mammals produced by various species of Trichomonas.

Inflammation of the vagina, marked by a purulent discharge. This disease is caused by the protozoan TRICHOMONAS VAGINALIS.

Fungal infections caused by TRICHOSPORON that may become systemic especially in an IMMUNOCOMPROMISED HOST. Clinical manifestations range from superfi…